The Love Breathing ( (こい) () (きゅう) Koi no kokyū?) is a personal Breathing Style derived from the Flame Breathing.

Unlike other Breathing Styles that are based off of natural elements or phenomena, Love Breathing is based of the emotion of love. Most, if not all, techniques form a combination of whip-like attacks that utilize superhuman flexibility, dexterity, agility and speed. When used properly, the user visualizes pinkish strikes emanating from their weapon, surroundings or themselves.

This Breathing Style is the personal creation of Mitsuri Kanroji after altering the Flame Breathing to suit her needs, and therefore this can only be performed by her due the unique constitution of her body that renders her incredibly flexible and agile, but still possessing inhuman strength due to her muscles being eight times denser than a normal human's, allowing her to deliver fast and powerful blows and move unhindered due to her body not being physically bulky. It can also be assumed that this Breathing Style requirements a whip-like katana.

Breathing Style Relationship Chart



  1. First Form: Shivers of First Love ( (いち) (かた) (はつ) (こい) のわななき Ichi no kata: Hatsukoi no Wananaki?)[1] - Mitsuri dashes forward with a series of extended whip slashes that winds around through the target.
  2. Second Form: Love Pangs ( () (かた) (おう) (のう) (めぐ) (こい) Ni no kata: Ōnō Meguru Koi?)[2] - Mitsuri unleashes multiple powerful whip slashes.
  3. Third Form: Catlove Shower ( (さん) (かた) (こい) (ねこ) しぐれ San no kata: Koi Neko Shigure?)[3] - Mitsuri leaps and unleashes a series of ranged arced attacks in quick succession.
  • Fifth Form: Swaying Love - Wildclaw ( () (かた) () らめく (れん) (じょう) (みだ) (づめ) Go no kata: Yurameku Renjō Midarezume?)[4] - Mitsuri somersaults backwards through the air creating a long whip-like string of attacks, before coiling her sword around her opponent's neck.
  • Sixth Form: Cat-Legged Winds of Love ( (ろく) (かた) (ねこ) (あし) (こい) (かぜ) Roku no kata: Neko Ashi Koi Kaze?)[5] - Mitsuri twirls upside-down and creates multiple extending slashing attacks before retracting it and extending it again.


Mitsuri Kanroji
Mitsuri Kanroji


— Love Breathing —


  1. Kimetsu no Yaiba Manga: Chapter 112 (Pages 8-10).
  2. Kimetsu no Yaiba Manga: Chapter 123 (Page 4).
  3. Kimetsu no Yaiba Manga: Chapter 122 (Pages 18-19).
  4. Kimetsu no Yaiba Manga: Chapter 123 (Page 6).
  5. Kimetsu no Yaiba Manga: Chapter 182 (Page 19).

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